Cyrus hosted "SNL" on Saturday night, leading to an inevitableface-off between the 18-year-old singer and cast member VanessaBayer's parody. But Cyrus appeared on Bayer's "The Miley CyrusShow" not as herself, but 17-year-old Justin Bieber.

Cyrus played Bieber as too hip to use Bayer's enthusiastic"pretty cool" catch phrase.

In other sketches, Cyrus also played Fergie and Lindsay Lohan.Her Lohan impression occurred during a sketch with cast membersportraying Charlie Sheen as the host of a TV show called "Duh!Winning!" with Lohan, Libyan leader Moammar Gadhafi and fashiondesigner John Galliano as guests.